Based in Elmsford, NY, our company was founded on supplying fans with official band merch quickly and for reasonable prices. Enjoy your new band merch! We know you want to rock your merch as soon as possible, so every order ships out within one business day of purchase. By using Twitters services you agree to our. What defines Ill Rock Merch is the ability to think like a fan because we are die-hard music fans. Men's T-Shirts Thousands of styles, All the top artists. Slipknot Vinyl T-Shirt SET - DebutProduct DescriptionOfficially Licensed.